This happens when the hostname as specified in /etc/hostname is not linked to localhost ip 127.0.0.1
First get the current hostname:
[email protected]:~$ cat /etc/hostname supernova
Next, add a line for this hostname in hosts file.
sudo emacs /etc/hosts
The new line is this:
Joel G Mathew, known in tech circles by the pseudonym Droidzone, is an opensource and programming enthusiast.
His favorite pastime is grappling with GNU compilers, discovering newer Linux secrets, writing scripts, hacking roms, and programs (nothing illegal), reading, blogging. and testing out the latest gadgets.
When away from the tech world, Dr Joel G. Mathew is a practising ENT Surgeon, busy with surgeries and clinical practise.